language benchmark
CoVoST2 is a multilingual speech translation corpus covering translations from 21 languages into English and from English into 15 languages.
Updated Sep 5, 2026
Higher score ranks better on this benchmark.
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelAM | Score40.70% | Percentile100.00% | Participants4 | EvidenceC | Evaluated |
| Rank02 | ModelGO | Score39.20% | Percentile66.67% | Participants4 | EvidenceC | Evaluated |
| Rank03 | ModelGO | Score38.50% | Percentile33.33% | Participants4 | EvidenceC | Evaluated |
| Rank04 | ModelGO | Score38.40% | Percentile0.00% | Participants4 | EvidenceC | Evaluated |
The leading models and scores on this benchmark.
A closer view of the leading scores on this benchmark.
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What CoVoST2 measures and how its scores work.
CoVoST2 is a large-scale multilingual speech translation corpus derived from Common Voice, containing 2,880 hours of speech with 78K speakers for speech translation research.
It reports a Score as a ratio.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about CoVoST2.
Nova 2 Omni is currently ranked first with 40.70%.
The current leaders are Nova 2 Omni (40.70%), Gemini 2.0 Flash (39.20%), and Gemma 4 12B (38.50%).
No matched official input price is currently available.
The fastest matched records are Gemini 2.0 Flash (183.00 tok/s via Google) and Gemini 2.0 Flash-Lite (85.00 tok/s via Google).
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.
It reports a Score as a ratio.
Yes. Higher values rank better for this benchmark.
4 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.
Ranking basisThis covost2 AI model leaderboard uses descending score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
Nova 2 Omni currently leads CoVoST2 with 40.70%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price, and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.